Alberta Class 7 License Practice Test

How much can aggressive acceleration increase your fuel consumption?

1. 20 percent

2. 30 percent

3. 40 percent

4. 50 percent

The correct answer is: 40 percent

Aggressive acceleration can significantly impact fuel consumption due to the way an engine operates under stress. When a driver accelerates rapidly, the vehicle requires more fuel to generate the additional power needed to increase speed quickly. This results in a much less efficient combustion process, meaning the engine has to work harder than necessary. In fact, studies and various automotive research have shown that aggressive driving behaviors, including rapid acceleration, can lead to an increase in fuel consumption by as much as 40 percent compared to smooth, gradual acceleration. This heightened fuel use is a result of not only the increased throttle demand but also the potential for higher engine rpm, which translates to less efficient fuel use. Thus, the choice indicating a 40 percent increase in fuel consumption accurately reflects the common findings regarding the effects of aggressive driving behavior on fuel efficiency. Such habits not only waste fuel but can also lead to increased vehicle wear and tear, making it less economical in the long run.